Ningbo Yinzhou Gulin Auto Part. Co.,Ltd. Is specialized in producing automobile wheel bolts and nuts. The company produces mainly wheel nuts and bolts. Particularly Wheel lock nuts bolts wheel lug cap locks, for top grade car are characteristic products of the company. Annual output production value aims Four million US Dollar. The products are well exproted to Europe, America, Middle East, Southeast Asia, etc. And admired by customers deeply.